<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <title></title>
  <meta content="text/html;charset=utf-8" http-equiv="Content-Type"/>
  <script src="../internal.js" type="text/javascript"></script>
  <style type="text/css">
    *{margin:0;padding:0;color: #838383;}
    table{font-size: 12px;margin: 10px;line-height: 30px}
    .txt{width:300px;height:21px;line-height:21px;border:1px solid #d7d7d7;}
  </style>
</head>
<body>
<table>
  <tr>
    <td><label for="text"> <var id="lang_input_text"></var></label></td>
    <td><input class="txt" disabled="true" id="text" type="text"/></td>
  </tr>
  <tr>
    <td><label for="href"> <var id="lang_input_url"></var></label></td>
    <td><input class="txt" id="href" type="text"/></td>
  </tr>
  <tr>
    <td><label for="title"> <var id="lang_input_title"></var></label></td>
    <td><input class="txt" id="title" type="text"/></td>
  </tr>
  <tr>
    <td colspan="2">
      <label for="target"><var id="lang_input_target"></var></label>
      <input id="target" type="checkbox"/>
    </td>
  </tr>
  <tr>
    <td colspan="2" id="msg"></td>
  </tr>
</table>
<script type="text/javascript">
  var range = editor.selection.getRange(),
      link = range.collapsed ? editor.queryCommandValue( "link" ) : editor.selection.getStart(),
      url,
      text = $G('text'),
      rangeLink = domUtils.findParentByTagName(range.getCommonAncestor(),'a',true),
      orgText;
  link = domUtils.findParentByTagName( link, "a", true );
  if(link){
      url = utils.html(link.getAttribute( '_href' ) || link.getAttribute( 'href', 2 ));

      if(rangeLink === link && !link.getElementsByTagName('img').length){
          text.removeAttribute('disabled');
          orgText = text.value = link[browser.ie ? 'innerText':'textContent'];
      }else{
          text.setAttribute('disabled','true');
          text.value = lang.validLink;
      }

  }else{
      if(range.collapsed){
          text.removeAttribute('disabled');
          text.value = '';
      }else{
          text.setAttribute('disabled','true');
          text.value = lang.validLink;
      }

  }
  $G("title").value = url ? link.title : "";
  $G("href").value = url ? url: '';
  $G("target").checked = url && link.target == "_blank" ? true :  false;
  $focus($G("href"));

  function handleDialogOk(){
      var href =$G('href').value.replace(/^\s+|\s+$/g, '');
      if(href){
          if(!hrefStartWith(href,["http","/","ftp://",'#'])) {
              href  = "http://" + href;
          }
          var obj = {
              'href' : href,
              'target' : $G("target").checked ? "_blank" : '_self',
              'title' : $G("title").value.replace(/^\s+|\s+$/g, ''),
              '_href':href
          };
          //修改链接内容的情况太特殊了，所以先做到这里了
          //todo:情况多的时候，做到command里
          if(orgText && text.value != orgText){
              link[browser.ie ? 'innerText' : 'textContent'] =  obj.textValue = text.value;
              range.selectNode(link).select()
          }
          if(range.collapsed){
              obj.textValue = text.value;
          }
          editor.execCommand('link',utils.clearEmptyAttrs(obj) );
          dialog.close();
      }
  }
  dialog.onok = handleDialogOk;
  $G('href').onkeydown = $G('title').onkeydown = function(evt){
      evt = evt || window.event;
      if (evt.keyCode == 13) {
          handleDialogOk();
          return false;
      }
  };
  $G('href').onblur = function(){
      if(!hrefStartWith(this.value,["http","/","ftp://",'#'])){
          $G("msg").innerHTML = "<span style='color: red'>"+lang.httpPrompt+"</span>";
      }else{
          $G("msg").innerHTML = "";
      }
  };

  function hrefStartWith(href,arr){
      href = href.replace(/^\s+|\s+$/g, '');
      for(var i=0,ai;ai=arr[i++];){
          if(href.indexOf(ai)==0){
              return true;
          }
      }
      return false;
  }


</script>
</body>
</html>
